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In this paper, we prove the null controllability of a one-dimensional fourth-order degenerate parabolic equation with a singular potential. Here, we analyze cases where boundary control conditions are applied at the left endpoint. We…

Analysis of PDEs · Mathematics 2025-05-06 Leandro Galo-Mendoza

We study (approximate) null-controllability of parabolic equations in $L_p(\mathbb{R}^d)$ and provide explicit bounds on the control cost. In particular we consider systems of the form $\dot{x}(t) = -A_p x(t) + \mathbf{1}_E u(t)$, $x(0) =…

Functional Analysis · Mathematics 2022-10-31 Clemens Bombach , Dennis Gallaun , Christian Seifert , Martin Tautenhahn

This paper is concerned with the null controllability problem for a class of quasilinear parabolic equations under multiplicative control, locally supported in space. For the purpose of proving the existence of a multiplicative control…

Optimization and Control · Mathematics 2026-02-19 Jilei Huang , Peidong Lei , Yansheng Ma , Jingxue Yin

We are concerned about the null controllability of a linear degenerate parabolic equation with one delay parameter on the line $(0,1)$, where the control force is exerted on a subdomain of $(0,1)$ or on the boundary. For that we show how…

Optimization and Control · Mathematics 2019-02-07 E. L. Mustapha Ait Benhassi , Mohamed Fadili , Lahcen Maniar

This paper is concerned with the application of Stackelberg-Nash strategies to control fourth order linear and semi-linear parabolic equations. We assume that the system is acted through a hierarchy of distributed controls: one main control…

Optimization and Control · Mathematics 2022-11-02 Bo You , Fang Li

In this paper, we consider the Stokes equations in a two-dimen- sional channel with periodic conditions in the direction of the channel. We establish null controllability of this system using a boundary control which acts on the normal…

Analysis of PDEs · Mathematics 2018-04-27 Shirshendu Chowdhury , Debanjana Mitra , Michael Renardy

This paper deals with the null-controllability of a system of {\em mixed parabolic-elliptic pdes} at any given time $T>0$. More precisely, we consider the \textit{Kuramoto-Sivashinsky--Korteweg-de Vries equation} coupled with a second order…

Analysis of PDEs · Mathematics 2025-05-29 Kuntal Bhandari , Subrata Majumdar

Over the past two decades, the controllability of several examples of parabolic-hyperbolic systems has been investigated. The present article is the beginning of an attempt to find a unified framework that encompasses and generalizes the…

Analysis of PDEs · Mathematics 2020-04-17 Karine Beauchard , Armand Koenig , Kévin Le Balc'h

The main goal of this manuscript is to prove the existence of insensitizing controls for the fourth-order dispersive nonlinear Schr\"odinger equation with cubic nonlinearity. To obtain the main result we prove a null controllability…

Analysis of PDEs · Mathematics 2024-06-28 Roberto de A. Capistrano Filho , Thiago Yukio Tanaka

In this paper we prove a uniform controllability result for a fourth order parabolic partial differential equation which includes a transport term, when the coefficients of higher order terms vanish. We prove the null controllability of the…

Analysis of PDEs · Mathematics 2019-06-20 Lopez-García Marcos , Mercado Alberto

The main objective of this paper is to establish the null controllability for the fourth order semilinear parabolic equations with the nonlinearities involving the state and its gradient up to second order. First of all, based on optimal…

Optimization and Control · Mathematics 2022-11-03 Bo You , F. Li

The distributed null controllability for coupled parabolic systems with non-diagonalizable diffusion matrices with a reduced number of controls has been studied in the case of constant matrices. On the other hand, boundary controllability…

Optimization and Control · Mathematics 2022-09-09 Michel Duprez , Manuel González-Burgos , Diego A. Souza

This paper deals with the hierarchic control of a degenerate parabolic equation with missing initial condition. We present a Stackelberg strategy combining the concept of null controllability with low-regret control. We assume that we can…

Optimization and Control · Mathematics 2022-09-12 Landry Djomegne , Cyrille Kenne , Romario Gildas Foko Tiomela

This article presents some controllability and stabilization results for a system of two coupled linear Schr\"odinger equations in the one-dimensional case where the state components are interacting through the Kirchhoff boundary…

Analysis of PDEs · Mathematics 2024-03-21 K. Bhandari , R. de A. Capistrano-Filho , S. Majumdar , T. Y. Tanaka

We study the null controllability of three parabolic equations. The control is acting only on one of the three equations. The three equations are coupled by means of two cubic nonlinearities. The linearized control system around 0 is not…

Optimization and Control · Mathematics 2016-11-28 Jean-Michel Coron , Jean-Philippe Guilleron

In this paper, we are concerned with the boundary controllability of heat equation with dynamic boundary conditions. More precisely, we prove that the equation is null controllable at any positive time by means of a boundary control…

Analysis of PDEs · Mathematics 2022-06-23 S. E. Chorfi , G. El Guermai , A. Khoutaibi , L. Maniar

In this study, we study the null controllability of a multi-dimensional degenerate parabolic equation characterized by a degenerate interior point. The control domain, which is an arbitrary inner region, does not encompass the degenerate…

Optimization and Control · Mathematics 2026-05-05 Dong-Hui Yang , Bao-Zhu Guo , Jie Zhong

This paper deals with the insensitizing controllability property of the quasilinear parabolic equation with dynamic boundary conditions. This problem can be reformulated as a null controllability problem for a cascade quasilinear system…

Optimization and Control · Mathematics 2024-12-02 Idriss Boutaayamoua , Fouad Et-tahri , Lahcen Maniar

In this article we consider a control problem of a linear Euler-Bernoulli damped beam equation with potential in dimension one with periodic boundary conditions. We derive a new Carleman estimate for an adjoint of the equation under…

Analysis of PDEs · Mathematics 2019-04-16 Sourav Mitra

This paper is devoted to the partial null controllability issue of parabolic linear systems with n equations. Given a bounded domain in R N, we study the effect of m localized controls in a nonempty open subset only controlling p components…

Analysis of PDEs · Mathematics 2017-01-20 Farid Ammar Khodja , Franz Chouly , Michel Duprez